Backend Engineer III

Monzo·Cardiffsenior

In short

→Ingeniero backend en una banca digital con impacto real en millones de usuarios.
→Diseño y desarrollo de sistemas críticos: pagos, cuentas, seguridad y plataformas internas.
→Trabajo híbrido con flexibilidad total y apoyo para desplazamientos si se requiere.

Fluent English required for collaboration across global teams.

In ~1 minute you get: who interviews you, the likely questions answered from your CV, and your CV tailored to this job. Free, no card.

🎧Land the interview? Bring the copilot. Our free extension listens to the live interview and flashes 3-4-word anchors from your resume and prep — glance, connect, talk. Get the extension →

What they ask for

✓Experiencia comprobada como ingeniero backend con al menos 5 años.
✓Habilidades sólidas en diseño de sistemas escalables y resistentes a fallos.
✓Conocimiento profundo de arquitecturas distribuidas y servicios en la nube.
✓Capacidad para trabajar en equipos multidisciplinarios y colaborar con otras áreas.
✓Experiencia con tecnologías modernas de backend (Go, Python, Java, etc.).
✓Compromiso con la calidad del código, pruebas automatizadas y CI/CD.

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

GoPythonJavaAWSKubernetesDockerPostgreSQLRedisgRPCTerraform

Who should you write to at Monzo?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we offer joint accounts , accounts for 16-17 year olds , a free kids account and credit cards in the UK, with more exciting things to come beyond. Our UK customers can also save , invest and combine their pensions with us. With our hot coral cards and get-paid-early feature, combined with financial education on social media and our award winning customer service, we have a long history of creating magical moments for our customers! We’re not about selling products - we want to solve problems and change lives through Monzo ❤️ 📍London or UK Remote | 💰 Engineer III Compensation: £85,000 - £110,000 + Incentive Awards tied to your performance + Benefits | Technology About our Engineering Teams: We have around 650 engineers across Monzo who design and build our in-house banking platform. We have big ambitions for the future, and technology plays a big role in creating a bank our customers want, so engineers at Monzo collaborate across disciplines to solve interesting challenges throughout the company. These range from the products our customers use everyday to underlying infrastructure, security, payments and finance, customer operations, financial crime, and data, to name just a few areas. As a bank, there is scope for impact across a huge number of opportunities. How we work 💻 Our main tech hub is in London, but our engineers live everywhere in the UK— from Brighton to the Western Isles. We value meeting in person but we don't have a mandated requirement on office attendance, even if you're nearby. We believe you'll do your best work if you are where you want to be. If you live outside of London and we ask you to come into the office, Monzo will support you with the costs ✨ Our offices are naturally social, especially Tuesdays, Wednesdays and Thursdays, which happen to line up with our twice-weekly Monzo lunches & treat Thursdays 🍽️ Teams also schedule time together often for work and play – in or around the office, or online. Set up a work schedule that delivers impact and fits your life: At Monzo, we value connections, flexibility, and wellbeing. We keep our meetings during core hours to stay connected and believe in maintaining work/life balance. You’ll be empowered to manage your work in a way that suits you and your team, giving you the freedom for children drop-offs and pick-ups, walking your dog or adventurous cat, avoiding peak commuting times or gym slots, appointments, or supporting your family in an emergency 🕣✨ If you prefer to work part-time, we'll make this happen whenever we can - whether this is to help you meet other commitments or str

Looking for something similar?

Leave your email and we'll alert you when matching jobs appear.

Don't apply unprepared

We research who's interviewing you, tailor your CV and rehearse you live — first one free.